Electric heating element



FIG. 1 is a top plan view of an electric heating element, showing our new design;

FIG. 2 is a side view thereof, looking from the bottom of FIG. 1,

FIG. 3 is a side view thereof, looking from the top of FIG. 1,

FIG. 4 is an end view thereof, looking from the left of FIG. 1, and

FIG. 5 is an end view thereof, looking from the right of FIG. 1. 

The ornamental design for an electric heating element, substantially as shown. 